Whether or not you get a substantial number when you multiply a high utility by a low probability is a question of mathematics with a definite answer depending on the particular values in question, and sometimes you do get such a number, so it is not an error in general.
Whether or not you get a substantial number when you multiply a high utility by a low probability is a question of mathematics with a definite answer depending on the particular values in question, and sometimes you do get such a number, so it is not an error in general.